Perforating device.



A, KETTNIOH. IIIIIIIIIIIIIIIII E.

PPPPPPPPPPPPPPPPPPPPPPPPPPP 1,083,541. Patented Jan.6,1914=.

-::::::::: iiiiiiiiiiiiiiiiiiiiiiiiimaminiizimiamiAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA cv ALBERT KET'INICH, OF DENVER,COLORADO.

PERFORATING DEVICE.

Specification of Letters Patent.

Patented Jan. 6,1914.

Application filed February 20, 1912. Serial No. 678,848.

To all whom it may concern Be it known that I, ALBERT Kn'rrmoli, asubject of the Emperor of Germany, residing at Denver, in the county ofDenver and State of Colorado, have invented certain new and usefulImprovements in Perforating Devices, of which the following is aspecification.

The object of my invention is to facilitate the manufacture ofperforated music rolls or sheets, such as are used for automatic playerpianos and other automatic musical instruments.

In the drawing Figure 1 is a sectional side view of a perforatingmechanism embodying my improvements; and Fig. 2 is a front view of theimproved roller mounted at the top of such mechanism.

Referring to the drawings :On a table or plate 30 are mounted standards31 which constitute the supports for the whole structure hereafterdescribed. A horizontal die rod 27, having a multiplicity of verticalholes 26, is mounted in, and extends between, standards 31. Above eachof holes 26 a punch 25 is slidably mounted in two horizontal perforatedrods 22 which extend between standards 31, above die rod 27 and aremounted in said standards.

Vith its axis directly above punches 25, there is rotatably mounted instandards 31 roller 1, provided on its surface with a spiral rib 2,preferably covering the entire length of roller 1 in one revolution, asshown in Fig. 2. By suitable mechanism, not shown in the drawing, roller1 is revolved at a high rate of speedabout 1650 revolutions perminute-in the direction indicated by the arrow on the drawing.

Just above die rod 27 there extends between, and is mounted in,standards 31 horizontal plate 15, provided with suitable guideholes forpunches 25 immediately above holes 26. Fastened to plate 15 is angleplate 14, extending, substantially, the whole distance between standards31, and carrying non-magnetic armature support 13.

A sheet of suitable paper 29, extending, approximately, the whole widthbetween standards 31, is pulled by a common feed device (not shown inthe drawing) at a steady rapid pace over die 27; rollers 28, mounted instandards 31, serving to hold the paper firmly to die 27.

For each punch 25 operating means are provided as follows -Each punch 25carries two collars 23 and a coil-spring 2 1. This spring is mountedbetween the lower one of the rods 22 and the upper one of collars 23,and tends to push punch 25 upward. The lower one of collars 23 limitsthe upward movement of punch 25. In line with each punch 25, in a planeat right angles to die rod 27 and roller 1, there is attached to support13 an armature 12 and magnetizing coil 10. To each armature 12 ishinged, by a pin 32, a hammer 8, the outward movement of which islimited by an angularly bent meta] strip 9 which is attached to thelower end of such hammer 8. An extension rod 6, attached to the upperend of each hammer 8, is connected, by means of hinged strap 5, tohorizontal rod 1, carrying, at its free end, steel nose 3, adapted toproject over the upper end of the corresponding punch 25, into the pathof spiral rib 2. Between rods 4 and 6 of each armature is extended aspiral spring 7, intended to serve the double purpose of removing hammer8 from coil 10, and of keeping nose 3 in position to enter the path ofrib 2 above punch 25. The ends 18 and 19, of the wire of each coil 10,through connection posts 16 and 17 and wires 20 and 21, are connectedwith an electric circuit provided with suitable means of closing andbreaking (not shown in the drawing).

It is obvious that by closing the circuit for magnetizing coil 10,hammer 8 may be attracted for any desired length of time to coil 10.Whenever this happens nose 3 will be pushed into a position wherein atevery revolution of roller 1 it will be the means of once forcing punch25 down, through paper 29, into die 27 ,through the contact of rib 2.The instant that rib 2 in the course of the revolution of roller 1,passes away from nose 3, spring 24 will elevate punch 25, lifting withit nose 3, and bringing it into position to be forced down again,together with punch 25, as soon as rib 2 strikes it again in the courseof the revolution of roller 1. Thus, while the circuit for coil 10remains closed, punch 25 will vibrate up and down at a ratecorresponding to the speed of roller 1, perforating paper 29 at eachvibration. The moment that the circuit in coil 10 is broken, hammer 8will recede from coil 10, nose 3 will be withdrawn from the space on topof punch 25, and the upward movement of punch 25 being limited by lowercollar 23 so that the upper end of punch 25 cannot be directly struck byrib 2, punch 25 will not be afiected by the revolution of roller 1, andWill remain stationary in elevated position, Without touching paper 29until nose 3 is again shoved over its upper end into the path of rib 2,thus again causing punch 25 to vibrate up and down, and to perforatepaper 29 for such length of time as the operator shall determine bykeeping the circuit through coil 10 closed.

,-It is manifest that asheet of, metal or other substance may beperforated by my device as Well as a sheet of paper; also that in lieuof rib 2 a series of suitably shaped and spirally arranged pegs might beused; also that for some purposes more than one rib 2 might be used, andthat its disposition need not necessarily be a spiral one.

I claim 1. In perforating devices, the combination, With suitable meansfor supporting and driving, of a die; a row of punches register ing withholes in the die and adapted to perforate the sheet; means forinstantaneous retraction of each punch separately from the die; members,independent for each punch, projectable over 'the outer end of eachpunch; mechanism to project and retract such members at will; and a highspeed revolving body located with its axis parallel to the die in theplane of the punches, and adjacent to the outer ends of the punches,clearing the punches, but

adapted to strike, on each revolution, each of said projectable membersWhen projected over the end of the corresponding punch members,preferably one at a time, when projected over the end of thecorresponding punch, so as to punch.

2. In perforating devices, the combination, With-suitable means forsupporting and driving, of a die; a row of punches registering withholes in the die and adapted to perforate the sheet; means to retracteach punch separately from the sheet; a high speed roller having aspiral projection along its surface, and located parallel to the die anddirectly above the punches, with said projection clearing the punches;independent means for each punchinterposable between .the punch and thespiral projection on the roller; and mechanism to inter-pose andWithdraw such means at will; for the purpose set forth.

3. In perforating devices, the combinacause rapid vibration of suchtion, With suitable means for supporting I and drlving, of a dle; a rowof punches registering with holes in the die and adapted to perforatethe sheet; means for instantaneous retraction of each punch separatelyfrom the die; members, independent for eachpunch, projectable over theouter end of each punch; mechanism to project and retract such membersat will; and a high speed revolving body located in axial alinement Withthe die in the same place as the punches, clearing said punches, butadapted V to strike, on each revolution, each of said projectablemembers when projected over the end of the corresponding punch, so as tocause rapid vibration of such punch, substantially as and for thepurpose described.

ALBERT KETTNICH.

Witnesses:

ELMER W. MERRITT, THOMAS E. MATE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents. 7

Washington, D. 0.

